most intellectual ideas were controversial because they usually went against what most people thought or believed to be the truth
The answers are:
Meriwether Lewis, William Clark and Sacagawea
This illustrates a soundbite
Soundbites are when the media takes only a small part of a video or an audio clip and uses it as an example and a reference point for the original thing. The idea of it is to capture the essence of the problem, and in this case, the famous clip of what was titled as the scream was supposed to exemplify everything regarding that person.
I am assuming you are talking about the US. So in the North they have Rocky Poor Soil.
The greater and Lesser Antilles, which are two different islands above and below one another. I hope this helped :P